Island



(No Model.)

G. H. KNIGHT.

ORNAMENTAL RING EUR JEWELRY.

No. 404,092. Patented May 28, 1889..

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4UNITED STATES PATENT OFFICE..

GEORGE H. KNIGHT, OF PROVIDENCE, RHODE ISLAND, ASSIGNOR TO WILLIAM R.LANE & CO., OF SAME PLACE.

ORNAMENTAL RING FOR JEWELRY.

SPECIFICATION forming part of Letters Patent No. 404,092, dated May 28,1889.

l Application filed October 27, 1888. Serial No. 289,330. (No model.)

To @ZZ whom it may concern: in order to properly cover thebase metal, d,at Be it known that I, GEORGE H. KNIGHT, a the ends of the tube. Theanges c c (shown citizen of the United States, residing at Proviin Fig.2) are to be first turned outwardly, as dence, in the State of RhodeIsland, have inshown in Fig. 6, and then the beveled edge g 5o 5 venteda new and useful Improvement in Orof the Iiange turned inward, so as tocomnamental Rings for Jewelry, of which the folpletely cover the basemetal, d, with the platlowing is a specification. ing b, as shown inFigs. 4 and 7.

The nature of my invention consists in a Then the ring is completed, asshown in ring formed from a double-plated seamless Fig. 4, the plating bof the inner side of the 55 Io tube, having the base metal at its endsconring will be extended over the end e of the cealed by turning a thinflange of the tube tube, thus covering the base metal, d, and

over the same, as hereinafter fully set forth. will abut closely againstthe edge of the plat- Figure l represents an axial section of a ing ctof the outer surface of the ring, as also piece of double-platedseamless tubing from shown enlarged in Fig. 7. 6c

15 which the ring is to be formed. Fig. Qrepre- The jointless platedring so formed will sents the same with a portion of its periphery standthe test of dipping in acid, and will at each end cut away to formathinned flange have all the appearance of a solid gold ring, forturning against the base metal at the end the burnished seams ff, wherethe plated surof the tube to conceal the same. Fig. 3 repfaces of theinterior and exterior of the ring 65 2o resents a section of adouble-plated seamless are made to join, being readily made impertube,which is cut away interiorly to form the vious to the acid.concealing-ange. Fig. 4 represents a sec- Instead of forming the ringfrom a seamless tion of the finished ring, in which the contube A in onepiece, two seamless tubes, A cealing-flange, as shown in Fig. 2, hasbeen A, arranged one within the other, can be em- 7o 25 turned outward.Figs. 5, 6, and 7 are enlarged ployed, as shown in Fig. 8, the tube Abeing detail sections showing the form of the flange plated upon itsouter surface and the tube A and the method of turning the same againstupon its inner surface only. the base metal at the end of the tube.Figs. 8 An intervening tube, A entirely of base and 9 represent asect-ion of a seamless tube metal, may also be employed in order to make75 3o formed of several concentric tubes, from which a ring of extrathickness, as shown in Fig. il.

my improved plated ring can be formed. I claim as my invention- In theaccompanying drawings, A, Fig. l, A jointless ring having plated innerand represents a seamless tube provided with an outer surfaces, andhaving the base metal at exterior plated surface, a, and interior platedthe edge of the ring concealed by means of 8o 3 5 surface, b, the saidtube being readily formed a flange which is beveled at its end, and fromdouble-plated sheet-metal stock in suitturned so that the plating of thefiange will able dies; and in order to provide the tube A be carriedover the edge of the ring and over witha plated end I first remove aperipheral the base metal at the end of the fiange, and

' portion of the tube at each end to form the be made to abut edge toedge with the plat- 85 4o thinned flanges cc, which are beveled at theiring of the opposite surface, substantially as outer edge, as shown inFigs. 2 and 5; or indescribed. stead of removing an external portion ofthe tube to form the flanges c c the required portion may be removedfrom the interior of the Witnesses:

45 tube, as shown in Fig. 3, thus forming the SOCRATES SCHOLFIELD,

fianges c c', which are to be turned inwardly JAMES W. WILLIAMS.

GEORGE II. KNIGHT.

